ABSTRACTA ferrite toroid retainer 10 provides an apparatusfor retaining ferrite toroids 1 on a electrical cable 2to prevent chafing of the cable's insulation. Thedevice is constructed from an elastomer material.Ferrite toroid retainer 10 is constructed from atoroidal sleeve 11 having an inside diameter B equal tothat of the outside diameter A of electrical cable 2.The outside diameter C of ferrite toroid retainer 10 isequal to that of the inside diameter F of ferrite toroid1. A retaining ridge 12 is attached around the circum-ference of one end of toroidal sleeve 11 and has atapered leading edge 13. Attached around the circum-ference of the opposite end of toroidal sleeve 11 is anon-tapered retaining ridge 15. Perpendicular edges 14prevent ferrite toroids 1 from sliding off of toroidalsleeve 11.
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